The topic=7/78chain rule/topic is used for bconnected rates of change/b.

If (y = f(u) ) and (u = g(x) ), then:

(\boxed{\dfrac{dy}{dx} = \dfrac{dy}{du} × \dfrac{du}{dx}} )

[b]uChain rule[/u]/b

(\dfrac{dy}{dx} = f'\big(g(x)\big)g'(x) )

(\dfrac{dy}{dx} = \dfrac{dy}{du} × \dfrac{du}{dx} )